Examples

"They're fertilized, kept at a certain temperature, they're grown with grow lights, in essence what they're doing, they're fooling the plant," the agent said, "They're being hydrated by water, it's called hydroponic indoor growth, which these plants contain a much larger THC content, THC being the active ingredient in marijuana."

More photos and interactive graphics Elmhurst Memorial Healthcare, a hospital in Elmhurst, Ill., last year began offering plant therapy for rehab patients, with gardening activities such as hydroponic (no-soil) gardening offered twice a week as part of the menu of programs.

Elmhurst Memorial Healthcare, a hospital in Elmhurst, Ill., last year began offering plant therapy for rehab patients, with gardening activities such as hydroponic (no-soil) gardening offered twice a week as part of the menu of programs.

Marijuana falls under the NCAA's heading of street drugs, which is true because it seems medical marijuana stores or "hydroponic" growing outlets have popped up on nearly every street corner along the Front Range.

"Because of what I do and the investors I deal with, I'm not comfortable with areas that are illegal on a federal level," said Mr. Maeda, who is scouting investment opportunities in companies that supply hydroponic equipment or light-emitting-diode-based growing lights to medical-marijuana growers.